Which alerts should I configure for kubeadm with Grafana?

kubeadm alerts, Grafana alerts, Kubernetes monitoring, DevOps best practices, alert configuration, cluster performance, Kubernetes health check
Configure essential alerts for kubeadm using Grafana to ensure optimal performance and proactive monitoring of your Kubernetes clusters.

Key Alerts to Configure for Kubeadm with Grafana

When setting up monitoring for your Kubernetes clusters, it's important to configure alerts that will notify you of potential issues before they become critical. Here are some essential alerts you should consider:

  • Node Unreachable: Alerts when a node is not reachable.
  • High CPU Usage: Alerts for nodes or pods exceeding a specified CPU usage threshold.
  • Memory Usage: Alerts for nodes or pods using excessive memory.
  • Disk Space Usage: Alerts when node or pod disk usage exceeds a defined limit.
  • Container Crash Loop: Alerts when a container is continuously crashing.
  • Pod Pending: Alerts when pods are stuck in the pending state for too long.

Here’s an example of how you can configure an alert for high CPU usage in your Grafana dashboard:

{ "alert": { "name": "High CPU Usage", "condition": "avg(last_5m) > 80", "message": "High CPU usage detected on node ${node}.", "severity": "critical" }, "eval_time": "5m" }

kubeadm alerts Grafana alerts Kubernetes monitoring DevOps best practices alert configuration cluster performance Kubernetes health check

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